Drainage panel



FIG. 1 is a top perspective view of the drainage panel design of theinvention;

FIG. 2 is a top view of the drainage panel of FIG. 1;

FIG. 3 is a bottom view of the drainage panel of FIG. 1; and,

FIG. 4 is a side view of all four sides of the drainage panel of FIG. 1,wherein all four sides are identical.

The ornamental design for a drainage panel, as shown and described.